# print("""
#          *********
#           *******
#            *****
#             ***
#              *""")
# for i in range(1900,2901):
# if i%4==0 and i%100!=0 or i/400==0:
#     print(i)
s=[1,2,3,4,3,5]
s.append(777)
print(s)
s.insert(666,"鸡鸡鸡咯咯哒")
print(s)
s[1]=888
print(s)
s[2:5]=[6,7]
